[tox]
minversion = 3.18.0
envlist = pep8
skipsdist = True
# this allows tox to infer the base python from the environment name
# and override any basepython configured in this file
ignore_basepython_conflict=true

[testenv]
basepython = python3
usedevelop = True
setenv =
   VIRTUAL_ENV={envdir}
   PYTHONWARNINGS=default::DeprecationWarning
   OS_LOG_CAPTURE={env:OS_LOG_CAPTURE:true}
   OS_STDOUT_CAPTURE={env:OS_STDOUT_CAPTURE:true}
   OS_STDERR_CAPTURE={env:OS_STDERR_CAPTURE:true}
deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
       -r{toxinidir}/test-requirements.txt
commands = stestr run --slowest {posargs}

[testenv:pep8]
commands = flake8 {posargs}

[testenv:venv]
commands = {posargs}

[flake8]
# E123, E125 skipped as they are invalid PEP-8.
# W503 line break before binary operator
# W504 line break after binary operator
# H101 include name with TODO
#  reason: no real benefit
show-source = True
ignore = E123,E125,W503,W504,H101
builtins = _
exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build